At Ask Me Help Desk you can ask questions in any topic and have them
answered for free by our experts. To ask questions or participate in
answering them you must register for a free account. By registering you
will be able to:
Get free answers from experts in any of our 300+
topics.
I would start with a mild scouring powder and elbow grease. Only the best latexes will stand up to that. Start behind a curtain or somewhere until you see if the trim will.